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googlers / jrn / git / 2d3c33beb21e4bc7aaf726f74280625103177d05 / . / builtin / tag.c
blob: 7b1be85e48b67f2a2eb075f6d8366246c7938646 [file] [log] [blame]
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]1/*
2 * Builtin "git tag"
3 *
4 * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>,
5 * Carlos Rica <jasampler@gmail.com>
6 * Based on git-tag.sh and mktag.c by Linus Torvalds.
7 */
8
9#include "cache.h"
10#include "builtin.h"
11#include "refs.h"
12#include "tag.h"
13#include "run-command.h"
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]14#include "parse-options.h"
Jeff Kingffc4b802011-06-11 19:04:08 +0000[diff] [blame]15#include "diff.h"
16#include "revision.h"
Junio C Hamano2f47eae2011-09-07 21:19:47 -0700[diff] [blame]17#include "gpg-interface.h"
Tom Grennanae7706b2012-02-08 15:03:43 -0800[diff] [blame]18#include "sha1-array.h"
Nguyễn Thái Ngọc Duyd96e3c12012-04-13 17:54:41 +0700[diff] [blame]19#include "column.h"
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]20
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]21static const char * const git_tag_usage[] = {
Stephan Beyer1b1dd232008-07-13 15:36:15 +0200[diff] [blame]22 "git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname> [<head>]",
23 "git tag -d <tagname>...",
Tom Grennanae7706b2012-02-08 15:03:43 -0800[diff] [blame]24 "git tag -l [-n[<num>]] [--contains <commit>] [--points-at <object>] "
25 "\n\t\t[<pattern>...]",
Stephan Beyer1b1dd232008-07-13 15:36:15 +0200[diff] [blame]26 "git tag -v <tagname>...",
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]27 NULL
28};
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]29
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]30struct tag_filter {
Jeff King588d0e82011-06-20 12:59:28 -0400[diff] [blame]31 const char **patterns;
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]32 int lines;
Jake Goulding32c35cf2009-01-26 09:13:25 -0500[diff] [blame]33 struct commit_list *with_commit;
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]34};
35
Tom Grennanae7706b2012-02-08 15:03:43 -0800[diff] [blame]36static struct sha1_array points_at;
Nguyễn Thái Ngọc Duyd96e3c12012-04-13 17:54:41 +0700[diff] [blame]37static unsigned int colopts;
Tom Grennanae7706b2012-02-08 15:03:43 -0800[diff] [blame]38
Jeff King588d0e82011-06-20 12:59:28 -0400[diff] [blame]39static int match_pattern(const char **patterns, const char *ref)
40{
41 /* no pattern means match everything */
42 if (!*patterns)
43 return 1;
44 for (; *patterns; patterns++)
45 if (!fnmatch(*patterns, ref, 0))
46 return 1;
47 return 0;
48}
49
Tom Grennanae7706b2012-02-08 15:03:43 -0800[diff] [blame]50static const unsigned char *match_points_at(const char *refname,
51 const unsigned char *sha1)
52{
53 const unsigned char *tagged_sha1 = NULL;
54 struct object *obj;
55
56 if (sha1_array_lookup(&points_at, sha1) >= 0)
57 return sha1;
58 obj = parse_object(sha1);
59 if (!obj)
60 die(_("malformed object at '%s'"), refname);
61 if (obj->type == OBJ_TAG)
62 tagged_sha1 = ((struct tag *)obj)->tagged->sha1;
63 if (tagged_sha1 && sha1_array_lookup(&points_at, tagged_sha1) >= 0)
64 return tagged_sha1;
65 return NULL;
66}
67
Jeff Kingffc4b802011-06-11 19:04:08 +0000[diff] [blame]68static int in_commit_list(const struct commit_list *want, struct commit *c)
69{
70 for (; want; want = want->next)
71 if (!hashcmp(want->item->object.sha1, c->object.sha1))
72 return 1;
73 return 0;
74}
75
76static int contains_recurse(struct commit *candidate,
Junio C Hamanoc6d72c42011-07-14 11:02:06 -0700[diff] [blame]77 const struct commit_list *want)
Jeff Kingffc4b802011-06-11 19:04:08 +0000[diff] [blame]78{
79 struct commit_list *p;
80
81 /* was it previously marked as containing a want commit? */
82 if (candidate->object.flags & TMP_MARK)
83 return 1;
84 /* or marked as not possibly containing a want commit? */
85 if (candidate->object.flags & UNINTERESTING)
86 return 0;
87 /* or are we it? */
88 if (in_commit_list(want, candidate))
89 return 1;
90
91 if (parse_commit(candidate) < 0)
92 return 0;
93
94 /* Otherwise recurse and mark ourselves for future traversals. */
95 for (p = candidate->parents; p; p = p->next) {
Junio C Hamanoc6d72c42011-07-14 11:02:06 -0700[diff] [blame]96 if (contains_recurse(p->item, want)) {
Jeff Kingffc4b802011-06-11 19:04:08 +0000[diff] [blame]97 candidate->object.flags |= TMP_MARK;
98 return 1;
99 }
100 }
101 candidate->object.flags |= UNINTERESTING;
102 return 0;
103}
104
105static int contains(struct commit *candidate, const struct commit_list *want)
106{
Junio C Hamanoc6d72c42011-07-14 11:02:06 -0700[diff] [blame]107 return contains_recurse(candidate, want);
Jeff Kingffc4b802011-06-11 19:04:08 +0000[diff] [blame]108}
109
Jeff Kingca516992012-02-06 03:13:12 -0500[diff] [blame]110static void show_tag_lines(const unsigned char *sha1, int lines)
111{
112 int i;
113 unsigned long size;
114 enum object_type type;
115 char *buf, *sp, *eol;
116 size_t len;
117
118 buf = read_sha1_file(sha1, &type, &size);
Jeff Kingfb630e02012-02-06 03:13:42 -0500[diff] [blame]119 if (!buf)
120 die_errno("unable to read object %s", sha1_to_hex(sha1));
Junio C Hamano31fd8d72012-02-06 10:13:27 -0800[diff] [blame]121 if (type != OBJ_COMMIT && type != OBJ_TAG)
122 goto free_return;
123 if (!size)
124 die("an empty %s object %s?",
125 typename(type), sha1_to_hex(sha1));
Jeff Kingca516992012-02-06 03:13:12 -0500[diff] [blame]126
127 /* skip header */
128 sp = strstr(buf, "\n\n");
Junio C Hamano31fd8d72012-02-06 10:13:27 -0800[diff] [blame]129 if (!sp)
130 goto free_return;
131
132 /* only take up to "lines" lines, and strip the signature from a tag */
133 if (type == OBJ_TAG)
134 size = parse_signature(buf, size);
Jeff Kingca516992012-02-06 03:13:12 -0500[diff] [blame]135 for (i = 0, sp += 2; i < lines && sp < buf + size; i++) {
136 if (i)
137 printf("\n ");
138 eol = memchr(sp, '\n', size - (sp - buf));
139 len = eol ? eol - sp : size - (sp - buf);
140 fwrite(sp, len, 1, stdout);
141 if (!eol)
142 break;
143 sp = eol + 1;
144 }
Junio C Hamano31fd8d72012-02-06 10:13:27 -0800[diff] [blame]145free_return:
Jeff Kingca516992012-02-06 03:13:12 -0500[diff] [blame]146 free(buf);
147}
148
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]149static int show_reference(const char *refname, const unsigned char *sha1,
150 int flag, void *cb_data)
151{
152 struct tag_filter *filter = cb_data;
153
Jeff King588d0e82011-06-20 12:59:28 -0400[diff] [blame]154 if (match_pattern(filter->patterns, refname)) {
Jake Goulding32c35cf2009-01-26 09:13:25 -0500[diff] [blame]155 if (filter->with_commit) {
156 struct commit *commit;
157
158 commit = lookup_commit_reference_gently(sha1, 1);
159 if (!commit)
160 return 0;
Jeff Kingffc4b802011-06-11 19:04:08 +0000[diff] [blame]161 if (!contains(commit, filter->with_commit))
Jake Goulding32c35cf2009-01-26 09:13:25 -0500[diff] [blame]162 return 0;
163 }
164
Tom Grennanae7706b2012-02-08 15:03:43 -0800[diff] [blame]165 if (points_at.nr && !match_points_at(refname, sha1))
166 return 0;
167
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]168 if (!filter->lines) {
169 printf("%s\n", refname);
170 return 0;
171 }
172 printf("%-15s ", refname);
Jeff Kingca516992012-02-06 03:13:12 -0500[diff] [blame]173 show_tag_lines(sha1, filter->lines);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]174 putchar('\n');
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]175 }
176
177 return 0;
178}
179
Jeff King588d0e82011-06-20 12:59:28 -0400[diff] [blame]180static int list_tags(const char **patterns, int lines,
Jake Goulding32c35cf2009-01-26 09:13:25 -0500[diff] [blame]181 struct commit_list *with_commit)
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]182{
183 struct tag_filter filter;
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]184
Jeff King588d0e82011-06-20 12:59:28 -0400[diff] [blame]185 filter.patterns = patterns;
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]186 filter.lines = lines;
Jake Goulding32c35cf2009-01-26 09:13:25 -0500[diff] [blame]187 filter.with_commit = with_commit;
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]188
189 for_each_tag_ref(show_reference, (void *) &filter);
190
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]191 return 0;
192}
193
Carlos Ricae317cfa2007-07-21 14:13:12 +0200[diff] [blame]194typedef int (*each_tag_name_fn)(const char *name, const char *ref,
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]195 const unsigned char *sha1);
196
Carlos Ricae317cfa2007-07-21 14:13:12 +0200[diff] [blame]197static int for_each_tag_name(const char **argv, each_tag_name_fn fn)
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]198{
199 const char **p;
200 char ref[PATH_MAX];
201 int had_error = 0;
202 unsigned char sha1[20];
203
204 for (p = argv; *p; p++) {
205 if (snprintf(ref, sizeof(ref), "refs/tags/%s", *p)
206 >= sizeof(ref)) {
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]207 error(_("tag name too long: %.*s..."), 50, *p);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]208 had_error = 1;
209 continue;
210 }
Nguyễn Thái Ngọc Duyc6893322011-11-13 17:22:14 +0700[diff] [blame]211 if (read_ref(ref, sha1)) {
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]212 error(_("tag '%s' not found."), *p);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]213 had_error = 1;
214 continue;
215 }
216 if (fn(*p, ref, sha1))
217 had_error = 1;
218 }
219 return had_error;
220}
221
222static int delete_tag(const char *name, const char *ref,
223 const unsigned char *sha1)
224{
Miklos Vajnaeca35a22008-10-26 03:33:56 +0100[diff] [blame]225 if (delete_ref(ref, sha1, 0))
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]226 return 1;
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]227 printf(_("Deleted tag '%s' (was %s)\n"), name, find_unique_abbrev(sha1, DEFAULT_ABBREV));
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]228 return 0;
229}
230
231static int verify_tag(const char *name, const char *ref,
232 const unsigned char *sha1)
233{
Jonathan Niedera6ccbbd2010-04-15 04:36:25 -0500[diff] [blame]234 const char *argv_verify_tag[] = {"verify-tag",
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]235 "-v", "SHA1_HEX", NULL};
236 argv_verify_tag[2] = sha1_to_hex(sha1);
237
Jonathan Niedera6ccbbd2010-04-15 04:36:25 -0500[diff] [blame]238 if (run_command_v_opt(argv_verify_tag, RUN_GIT_CMD))
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]239 return error(_("could not verify the tag '%s'"), name);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]240 return 0;
241}
242
Pierre Habouzitfd17f5b2007-09-10 12:35:09 +0200[diff] [blame]243static int do_sign(struct strbuf *buffer)
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]244{
Junio C Hamano2f47eae2011-09-07 21:19:47 -0700[diff] [blame]245 return sign_buffer(buffer, buffer, get_signing_key());
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]246}
247
248static const char tag_template[] =
Ævar Arnfjörð Bjarmason7fbff252011-02-22 23:42:10 +0000[diff] [blame]249 N_("\n"
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]250 "#\n"
251 "# Write a tag message\n"
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]252 "# Lines starting with '#' will be ignored.\n"
253 "#\n");
254
255static const char tag_template_nocleanup[] =
256 N_("\n"
257 "#\n"
258 "# Write a tag message\n"
259 "# Lines starting with '#' will be kept; you may remove them"
260 " yourself if you want to.\n"
Ævar Arnfjörð Bjarmason7fbff252011-02-22 23:42:10 +0000[diff] [blame]261 "#\n");
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]262
Johannes Schindelinef90d6d2008-05-14 18:46:53 +0100[diff] [blame]263static int git_tag_config(const char *var, const char *value, void *cb)
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]264{
Junio C Hamano2f47eae2011-09-07 21:19:47 -0700[diff] [blame]265 int status = git_gpg_config(var, value, cb);
266 if (status)
267 return status;
Nguyễn Thái Ngọc Duyd96e3c12012-04-13 17:54:41 +0700[diff] [blame]268 if (!prefixcmp(var, "column."))
269 return git_column_config(var, value, "tag", &colopts);
Johannes Schindelinef90d6d2008-05-14 18:46:53 +0100[diff] [blame]270 return git_default_config(var, value, cb);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]271}
272
Mike Hommeybab81182007-11-04 01:11:14 +0100[diff] [blame]273static void write_tag_body(int fd, const unsigned char *sha1)
274{
275 unsigned long size;
276 enum object_type type;
Michael J Grubere10dfb62010-11-10 12:17:28 +0100[diff] [blame]277 char *buf, *sp;
Mike Hommeybab81182007-11-04 01:11:14 +0100[diff] [blame]278
279 buf = read_sha1_file(sha1, &type, &size);
280 if (!buf)
281 return;
282 /* skip header */
283 sp = strstr(buf, "\n\n");
284
285 if (!sp || !size || type != OBJ_TAG) {
286 free(buf);
287 return;
288 }
289 sp += 2; /* skip the 2 LFs */
Michael J Grubere10dfb62010-11-10 12:17:28 +0100[diff] [blame]290 write_or_die(fd, sp, parse_signature(sp, buf + size - sp));
Mike Hommeybab81182007-11-04 01:11:14 +0100[diff] [blame]291
292 free(buf);
293}
294
Jeff King3927bbe2008-12-06 14:40:34 -0500[diff] [blame]295static int build_tag_object(struct strbuf *buf, int sign, unsigned char *result)
296{
297 if (sign && do_sign(buf) < 0)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]298 return error(_("unable to sign the tag"));
Jeff King3927bbe2008-12-06 14:40:34 -0500[diff] [blame]299 if (write_sha1_file(buf->buf, buf->len, tag_type, result) < 0)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]300 return error(_("unable to write tag file"));
Jeff King3927bbe2008-12-06 14:40:34 -0500[diff] [blame]301 return 0;
302}
303
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]304struct create_tag_options {
305 unsigned int message_given:1;
306 unsigned int sign;
307 enum {
308 CLEANUP_NONE,
309 CLEANUP_SPACE,
310 CLEANUP_ALL
311 } cleanup_mode;
312};
313
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]314static void create_tag(const unsigned char *object, const char *tag,
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]315 struct strbuf *buf, struct create_tag_options *opt,
Junio C Hamanobd46c9a2007-11-22 23:16:51 -0800[diff] [blame]316 unsigned char *prev, unsigned char *result)
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]317{
318 enum object_type type;
Pierre Habouzitfd17f5b2007-09-10 12:35:09 +0200[diff] [blame]319 char header_buf[1024];
320 int header_len;
Jeff King3927bbe2008-12-06 14:40:34 -0500[diff] [blame]321 char *path = NULL;
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]322
323 type = sha1_object_info(object, NULL);
Carlos Ricae317cfa2007-07-21 14:13:12 +0200[diff] [blame]324 if (type <= OBJ_NONE)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]325 die(_("bad object type."));
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]326
327 header_len = snprintf(header_buf, sizeof(header_buf),
328 "object %s\n"
329 "type %s\n"
330 "tag %s\n"
331 "tagger %s\n\n",
332 sha1_to_hex(object),
333 typename(type),
334 tag,
Jeff Kingf9bc5732012-05-24 19:28:40 -0400[diff] [blame]335 git_committer_info(IDENT_STRICT));
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]336
Carlos Ricae317cfa2007-07-21 14:13:12 +0200[diff] [blame]337 if (header_len > sizeof(header_buf) - 1)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]338 die(_("tag header too big."));
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]339
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]340 if (!opt->message_given) {
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]341 int fd;
342
343 /* write the template message before editing: */
Alex Riesena4f34cb2008-10-27 11:22:09 +0100[diff] [blame]344 path = git_pathdup("TAG_EDITMSG");
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]345 fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
346 if (fd < 0)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]347 die_errno(_("could not create file '%s'"), path);
Mike Hommeybab81182007-11-04 01:11:14 +0100[diff] [blame]348
349 if (!is_null_sha1(prev))
350 write_tag_body(fd, prev);
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]351 else if (opt->cleanup_mode == CLEANUP_ALL)
352 write_or_die(fd, _(tag_template),
353 strlen(_(tag_template)));
Mike Hommeybab81182007-11-04 01:11:14 +0100[diff] [blame]354 else
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]355 write_or_die(fd, _(tag_template_nocleanup),
356 strlen(_(tag_template_nocleanup)));
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]357 close(fd);
358
Stephan Beyer71982032008-07-25 18:28:42 +0200[diff] [blame]359 if (launch_editor(path, buf, NULL)) {
360 fprintf(stderr,
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]361 _("Please supply the message using either -m or -F option.\n"));
Stephan Beyer71982032008-07-25 18:28:42 +0200[diff] [blame]362 exit(1);
363 }
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]364 }
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]365
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]366 if (opt->cleanup_mode != CLEANUP_NONE)
367 stripspace(buf, opt->cleanup_mode == CLEANUP_ALL);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]368
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]369 if (!opt->message_given && !buf->len)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]370 die(_("no tag message?"));
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]371
Pierre Habouzitfd17f5b2007-09-10 12:35:09 +0200[diff] [blame]372 strbuf_insert(buf, 0, header_buf, header_len);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]373
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]374 if (build_tag_object(buf, opt->sign, result) < 0) {
Jeff King3927bbe2008-12-06 14:40:34 -0500[diff] [blame]375 if (path)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]376 fprintf(stderr, _("The tag message has been left in %s\n"),
Jeff King3927bbe2008-12-06 14:40:34 -0500[diff] [blame]377 path);
378 exit(128);
379 }
380 if (path) {
Alex Riesen691f1a22009-04-29 23:22:56 +0200[diff] [blame]381 unlink_or_warn(path);
Jeff King3927bbe2008-12-06 14:40:34 -0500[diff] [blame]382 free(path);
383 }
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]384}
385
Junio C Hamanobd46c9a2007-11-22 23:16:51 -0800[diff] [blame]386struct msg_arg {
387 int given;
388 struct strbuf buf;
389};
390
391static int parse_msg_arg(const struct option *opt, const char *arg, int unset)
392{
393 struct msg_arg *msg = opt->value;
394
395 if (!arg)
396 return -1;
397 if (msg->buf.len)
398 strbuf_addstr(&(msg->buf), "\n\n");
399 strbuf_addstr(&(msg->buf), arg);
400 msg->given = 1;
401 return 0;
402}
403
Michael Schubert4f0accd2011-05-10 01:36:36 +0200[diff] [blame]404static int strbuf_check_tag_ref(struct strbuf *sb, const char *name)
405{
406 if (name[0] == '-')
Michael Haggerty8d9c5012011-09-15 23:10:25 +0200[diff] [blame]407 return -1;
Michael Schubert4f0accd2011-05-10 01:36:36 +0200[diff] [blame]408
409 strbuf_reset(sb);
410 strbuf_addf(sb, "refs/tags/%s", name);
411
Michael Haggerty8d9c5012011-09-15 23:10:25 +0200[diff] [blame]412 return check_refname_format(sb->buf, 0);
Michael Schubert4f0accd2011-05-10 01:36:36 +0200[diff] [blame]413}
414
Ramsay Jones0975a502012-02-13 18:24:41 +0000[diff] [blame]415static int parse_opt_points_at(const struct option *opt __attribute__((unused)),
Tom Grennanae7706b2012-02-08 15:03:43 -0800[diff] [blame]416 const char *arg, int unset)
417{
418 unsigned char sha1[20];
419
420 if (unset) {
421 sha1_array_clear(&points_at);
422 return 0;
423 }
424 if (!arg)
425 return error(_("switch 'points-at' requires an object"));
426 if (get_sha1(arg, sha1))
427 return error(_("malformed object name '%s'"), arg);
428 sha1_array_append(&points_at, sha1);
429 return 0;
430}
431
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]432int cmd_tag(int argc, const char **argv, const char *prefix)
433{
Brandon Caseyf285a2d2008-10-09 14:12:12 -0500[diff] [blame]434 struct strbuf buf = STRBUF_INIT;
Michael Schubert4f0accd2011-05-10 01:36:36 +0200[diff] [blame]435 struct strbuf ref = STRBUF_INIT;
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]436 unsigned char object[20], prev[20];
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]437 const char *object_ref, *tag;
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]438 struct ref_lock *lock;
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]439 struct create_tag_options opt;
440 char *cleanup_arg = NULL;
441 int annotate = 0, force = 0, lines = -1, list = 0,
442 delete = 0, verify = 0;
Junio C Hamanodbd0f5c2008-08-06 11:43:47 -0700[diff] [blame]443 const char *msgfile = NULL, *keyid = NULL;
Junio C Hamanobd46c9a2007-11-22 23:16:51 -0800[diff] [blame]444 struct msg_arg msg = { 0, STRBUF_INIT };
Jake Goulding32c35cf2009-01-26 09:13:25 -0500[diff] [blame]445 struct commit_list *with_commit = NULL;
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]446 struct option options[] = {
Michael J Gruberc97eff52011-08-28 16:54:29 +0200[diff] [blame]447 OPT_BOOLEAN('l', "list", &list, "list tag names"),
Stephen Boyde3a0ca82009-06-04 16:43:56 -0700[diff] [blame]448 { OPTION_INTEGER, 'n', NULL, &lines, "n",
449 "print <n> lines of each tag message",
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]450 PARSE_OPT_OPTARG, NULL, 1 },
Michael J Gruberc97eff52011-08-28 16:54:29 +0200[diff] [blame]451 OPT_BOOLEAN('d', "delete", &delete, "delete tags"),
452 OPT_BOOLEAN('v', "verify", &verify, "verify tags"),
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]453
454 OPT_GROUP("Tag creation options"),
Michael J Gruberc97eff52011-08-28 16:54:29 +0200[diff] [blame]455 OPT_BOOLEAN('a', "annotate", &annotate,
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]456 "annotated tag, needs a message"),
Michael J Gruberc97eff52011-08-28 16:54:29 +0200[diff] [blame]457 OPT_CALLBACK('m', "message", &msg, "message",
Michael J Gruber3f406172011-02-15 14:09:07 +0100[diff] [blame]458 "tag message", parse_msg_arg),
Michael J Gruberc97eff52011-08-28 16:54:29 +0200[diff] [blame]459 OPT_FILENAME('F', "file", &msgfile, "read message from file"),
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]460 OPT_BOOLEAN('s', "sign", &opt.sign, "annotated and GPG-signed tag"),
461 OPT_STRING(0, "cleanup", &cleanup_arg, "mode",
462 "how to strip spaces and #comments from message"),
Michael J Gruberc97eff52011-08-28 16:54:29 +0200[diff] [blame]463 OPT_STRING('u', "local-user", &keyid, "key-id",
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]464 "use another key to sign the tag"),
René Scharfe76946b72010-11-08 19:01:54 +0100[diff] [blame]465 OPT__FORCE(&force, "replace the tag if exists"),
Nguyễn Thái Ngọc Duyd96e3c12012-04-13 17:54:41 +0700[diff] [blame]466 OPT_COLUMN(0, "column", &colopts, "show tag list in columns"),
Jake Goulding32c35cf2009-01-26 09:13:25 -0500[diff] [blame]467
468 OPT_GROUP("Tag listing options"),
469 {
470 OPTION_CALLBACK, 0, "contains", &with_commit, "commit",
471 "print only tags that contain the commit",
472 PARSE_OPT_LASTARG_DEFAULT,
473 parse_opt_with_commit, (intptr_t)"HEAD",
474 },
Tom Grennanae7706b2012-02-08 15:03:43 -0800[diff] [blame]475 {
476 OPTION_CALLBACK, 0, "points-at", NULL, "object",
477 "print only tags of the object", 0, parse_opt_points_at
478 },
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]479 OPT_END()
480 };
481
Johannes Schindelinef90d6d2008-05-14 18:46:53 +0100[diff] [blame]482 git_config(git_tag_config, NULL);
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]483
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]484 memset(&opt, 0, sizeof(opt));
485
Stephen Boyd37782922009-05-23 11:53:12 -0700[diff] [blame]486 argc = parse_options(argc, argv, prefix, options, git_tag_usage, 0);
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]487
Linus Torvaldsbe15f502007-12-10 20:08:06 -0800[diff] [blame]488 if (keyid) {
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]489 opt.sign = 1;
Junio C Hamano2f47eae2011-09-07 21:19:47 -0700[diff] [blame]490 set_signing_key(keyid);
Linus Torvaldsbe15f502007-12-10 20:08:06 -0800[diff] [blame]491 }
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]492 if (opt.sign)
Junio C Hamanoc1a41b92007-11-25 15:21:42 -0800[diff] [blame]493 annotate = 1;
Samuel Tardieu6fa83422008-11-05 00:20:31 +0100[diff] [blame]494 if (argc == 0 && !(delete || verify))
495 list = 1;
Junio C Hamanoc1a41b92007-11-25 15:21:42 -0800[diff] [blame]496
Samuel Tardieu6fa83422008-11-05 00:20:31 +0100[diff] [blame]497 if ((annotate || msg.given || msgfile || force) &&
498 (list || delete || verify))
499 usage_with_options(git_tag_usage, options);
500
501 if (list + delete + verify > 1)
502 usage_with_options(git_tag_usage, options);
Nguyễn Thái Ngọc Duyd96e3c12012-04-13 17:54:41 +0700[diff] [blame]503 finalize_colopts(&colopts, -1);
504 if (list && lines != -1) {
505 if (explicitly_enable_column(colopts))
506 die(_("--column and -n are incompatible"));
507 colopts = 0;
508 }
509 if (list) {
510 int ret;
511 if (column_active(colopts)) {
512 struct column_options copts;
513 memset(&copts, 0, sizeof(copts));
514 copts.padding = 2;
515 run_column_filter(colopts, &copts);
516 }
517 ret = list_tags(argv, lines == -1 ? 0 : lines, with_commit);
518 if (column_active(colopts))
519 stop_column_filter();
520 return ret;
521 }
Samuel Tardieu6fa83422008-11-05 00:20:31 +0100[diff] [blame]522 if (lines != -1)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]523 die(_("-n option is only allowed with -l."));
Jake Goulding32c35cf2009-01-26 09:13:25 -0500[diff] [blame]524 if (with_commit)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]525 die(_("--contains option is only allowed with -l."));
Tom Grennanae7706b2012-02-08 15:03:43 -0800[diff] [blame]526 if (points_at.nr)
527 die(_("--points-at option is only allowed with -l."));
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]528 if (delete)
529 return for_each_tag_name(argv, delete_tag);
530 if (verify)
531 return for_each_tag_name(argv, verify_tag);
532
Junio C Hamanobd46c9a2007-11-22 23:16:51 -0800[diff] [blame]533 if (msg.given || msgfile) {
534 if (msg.given && msgfile)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]535 die(_("only one -F or -m option is allowed."));
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]536 annotate = 1;
Junio C Hamanobd46c9a2007-11-22 23:16:51 -0800[diff] [blame]537 if (msg.given)
538 strbuf_addbuf(&buf, &(msg.buf));
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]539 else {
540 if (!strcmp(msgfile, "-")) {
Pierre Habouzit387e7e12007-09-27 15:25:55 +0200[diff] [blame]541 if (strbuf_read(&buf, 0, 1024) < 0)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]542 die_errno(_("cannot read '%s'"), msgfile);
Pierre Habouzit387e7e12007-09-27 15:25:55 +0200[diff] [blame]543 } else {
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]544 if (strbuf_read_file(&buf, msgfile, 1024) < 0)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]545 die_errno(_("could not open or read '%s'"),
Thomas Rastd824cbb2009-06-27 17:58:46 +0200[diff] [blame]546 msgfile);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]547 }
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]548 }
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]549 }
550
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]551 tag = argv[0];
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]552
Carlos Rica39686582007-11-09 14:42:56 +0100[diff] [blame]553 object_ref = argc == 2 ? argv[1] : "HEAD";
554 if (argc > 2)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]555 die(_("too many params"));
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]556
557 if (get_sha1(object_ref, object))
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]558 die(_("Failed to resolve '%s' as a valid ref."), object_ref);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]559
Michael Schubert4f0accd2011-05-10 01:36:36 +0200[diff] [blame]560 if (strbuf_check_tag_ref(&ref, tag))
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]561 die(_("'%s' is not a valid tag name."), tag);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]562
Nguyễn Thái Ngọc Duyc6893322011-11-13 17:22:14 +0700[diff] [blame]563 if (read_ref(ref.buf, prev))
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]564 hashclr(prev);
565 else if (!force)
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]566 die(_("tag '%s' already exists"), tag);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]567
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]568 opt.message_given = msg.given || msgfile;
569
570 if (!cleanup_arg || !strcmp(cleanup_arg, "strip"))
571 opt.cleanup_mode = CLEANUP_ALL;
572 else if (!strcmp(cleanup_arg, "verbatim"))
573 opt.cleanup_mode = CLEANUP_NONE;
574 else if (!strcmp(cleanup_arg, "whitespace"))
575 opt.cleanup_mode = CLEANUP_SPACE;
576 else
577 die(_("Invalid cleanup mode %s"), cleanup_arg);
578
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]579 if (annotate)
Kirill A. Shutemovd3e05982011-12-07 05:01:45 +0200[diff] [blame]580 create_tag(object, tag, &buf, &opt, prev, object);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]581
Michael Schubert4f0accd2011-05-10 01:36:36 +0200[diff] [blame]582 lock = lock_any_ref_for_update(ref.buf, prev, 0);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]583 if (!lock)
Michael Schubert4f0accd2011-05-10 01:36:36 +0200[diff] [blame]584 die(_("%s: cannot lock the ref"), ref.buf);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]585 if (write_ref_sha1(lock, object, NULL) < 0)
Michael Schubert4f0accd2011-05-10 01:36:36 +0200[diff] [blame]586 die(_("%s: cannot update the ref"), ref.buf);
Michael J Gruber0a043b12009-12-10 15:01:10 +0100[diff] [blame]587 if (force && hashcmp(prev, object))
Ævar Arnfjörð Bjarmasond08ebf92011-02-22 23:42:09 +0000[diff] [blame]588 printf(_("Updated tag '%s' (was %s)\n"), tag, find_unique_abbrev(prev, DEFAULT_ABBREV));
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]589
Pierre Habouzitfd17f5b2007-09-10 12:35:09 +0200[diff] [blame]590 strbuf_release(&buf);
Michael Schubert4f0accd2011-05-10 01:36:36 +0200[diff] [blame]591 strbuf_release(&ref);
Carlos Rica62e09ce2007-07-20 01:42:28 +0200[diff] [blame]592 return 0;
593}